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公开(公告)号：US10476691B2
公开(公告)日：2019-11-12
申请号：US15655568
申请日：2017-07-20
发明人： Xiaohu Xu
IPC分类号： H04L12/18 , H04L12/741 , H04L12/46 , H04L12/761
摘要： A multicast forwarding method and an apparatus, where a bit-forwarding egress router (BFER) in a bit index explicit replication (BIER) network may determine, according to information about a multicast group in a multicast receiver list obtained in advance, an Internet Protocol (IP) address of a registration router that supports the multicast group, the BFER generates a BFER registration message according to the information about the multicast group and the IP address of the registration router that supports the multicast group, where the BFER registration message includes the information about the multicast group, a destination IP address of the BFER registration message is the IP address of the registration router, and a source IP address of the BFER registration message is an IP address of the BFER, and the BFER sends the BFER registration message to the registration router.
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公开(公告)号：US20190297009A1
公开(公告)日：2019-09-26
申请号：US16442146
申请日：2019-06-14
发明人： Xiaohu Xu
IPC分类号： H04L12/723 , H04L12/911 , H04L12/741 , H04L12/46 , H04L12/721 , H04L12/64 , H04L12/775
摘要： This application discloses a packet processing method and an LSR. The method includes: receiving, by an Ingress LSR of a first MPLS tunnel, a first notification packet that is based on an IGP, where the first notification packet includes an ELC flag, which is used to indicate that the first Egress LSR has ELC; after learning from the first notification packet that the first Egress LSR has ELC, inserting a label into a first packet, to generate a second packet, where the label forms an MPLS label stack, which includes, from bottom to top, a first EL, a first ELI, and a first TL; and sending the second packet to the first Egress LSR through the first MPLS tunnel. According to the solutions of this invention, a Transit LSR of the first MPLS tunnel may perform load balancing when forwarding the second packet.
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公开(公告)号：US09942136B2
公开(公告)日：2018-04-10
申请号：US14960971
申请日：2015-12-07
发明人： Xiaohu Xu
IPC分类号： H04L12/721 , H04L12/741 , H04L12/911 , H04L12/723 , H04L12/46 , H04L12/64 , H04L12/775
CPC分类号： H04L45/50 , H04L12/4633 , H04L12/6418 , H04L45/32 , H04L45/583 , H04L45/74 , H04L47/825
摘要： This application discloses a packet processing method and an LSR. The method includes: receiving, by an Ingress LSR of a first MPLS tunnel, a first notification packet that is based on an IGP, where the first notification packet includes an ELC flag, which is used to indicate that the first Egress LSR has ELC; after learning from the first notification packet that the first Egress LSR has ELC, inserting a label into a first packet, to generate a second packet, where the label forms an MPLS label stack, which includes, from bottom to top, a first EL, a first ELI, and a first TL; and sending the second packet to the first Egress LSR through the first MPLS tunnel. According to the solutions of this invention, a Transit LSR of the first MPLS tunnel may perform load balancing when forwarding the second packet.
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公开(公告)号：US20140237138A1
公开(公告)日：2014-08-21
申请号：US14227575
申请日：2014-03-27
IPC分类号： H04L12/721 , H04L29/08
CPC分类号： H04L45/14 , H04L45/02 , H04L45/04 , H04L45/302 , H04L45/54 , H04L69/329
摘要： Embodiments of the present invention relate to the field of communications technologies, and disclose a performance-based routing method and device, which can implement exchange of a performance route by expanding a BGP protocol. A first PCR receives first performance routing information sent by a second PCR. The first performance routing information includes a first performance parameter attribute. It is determined whether a performance route corresponding to the first performance routing information exists in an adjacent routing information base-in Adj-RIB-in of the first PCR. The performance route is added to the Adj-RIB-in when the performance route does not exist in the Adj-RIB-in.
摘要翻译： 本发明的实施例涉及通信技术领域，并且公开了一种基于性能的路由方法和设备，其可以通过扩展BGP协议实现性能路由的交换。 第一PCR接收通过第二PCR发送的第一性能路由信息。 第一性能路由信息包括第一性能参数属性。 确定在第一PCR的Adj-RIB-in中的相邻路由信息的基础上是否存在与第一性能路由信息对应的性能路由。 当Adj-RIB-in中不存在性能路由时，将性能路由添加到Adj-RIB-in。
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5.发明申请公开(公告)号：US20140177475A1
公开(公告)日：2014-06-26
申请号：US14189516
申请日：2014-02-25
发明人： Xiaohu Xu , Mingui Zhang
IPC分类号： H04L12/24 , H04L12/707 , H04L12/721
CPC分类号： H04L41/0896 , H04L12/4641 , H04L41/12 , H04L45/02 , H04L45/12 , H04L45/24 , H04L45/66
摘要： A method for managing a MAC address entry in a TRILL network is disclosed. A first routing bridge obtains a TCN message through a switch connected to the first routing bridge. The first routing bridge clears a MAC address entry of the first routing bridge taking the first routing bridge as an egress bridge and sends a LSP packet to a second routing bridge in the TRILL network, so as to enable the second routing bridge to clear a MAC address entry of the second routing bridge taking the first routing bridge as the egress bridge. The second routing bridge and the first routing bridge are located in the same VLAN.
摘要翻译： 公开了一种用于管理TRILL网络中的MAC地址条目的方法。 第一路由桥接器通过连接到第一路由桥的交换机获得TCN消息。 第一路由桥将第一路由桥的MAC地址条目清除为第一路由桥作为出口网桥，并将LSP分组发送到TRILL网络中的第二路由桥，以使第二路由桥能够清除MAC 将第一路由桥作为出口网桥的第二路由桥的地址条目。 第二个路由桥和第一个路由桥位于同一VLAN内。
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6.发明申请公开(公告)号：US20140052876A1
公开(公告)日：2014-02-20
申请号：US13764444
申请日：2013-02-11
IPC分类号： H04L29/12
CPC分类号： H04L61/6022 , H04L12/4633 , H04L12/4641 , H04L45/02 , H04L45/74 , H04L61/10
摘要： Embodiments of the present disclosure provide a method and a device for storing and sending a MAC address entry, and a system. The method includes: sending, by a PE, a first packet to an RR, so that the RR determines a MAC address entry required by the PE according to the first packet, where the RR pre-stores a MAC address table, and the MAC address table includes the required MAC address entry; and receiving, by the PE, a packet which includes the required MAC address entry and is sent by the RR, and storing the required MAC address entry. Through the embodiments of the present disclosure, it may be implemented that the PE stores the MAC address entry according to need.
摘要翻译： 本公开的实施例提供了一种用于存储和发送MAC地址条目的方法和设备，以及系统。 该方法包括：通过PE将第一个报文发送给RR，使得RR根据第一个报文确定PE所需的MAC地址表项，其中RR预先存储MAC地址表，MAC确定MAC 地址表包含所需的MAC地址表项; 并由PE接收包含所需MAC地址表项并由RR发送的分组，并存储所需的MAC地址表项。 通过本公开的实施例，可以实现PE根据需要存储MAC地址条目。
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公开(公告)号：US10044615B2
公开(公告)日：2018-08-07
申请号：US14971985
申请日：2015-12-16
IPC分类号： H04L12/707 , H04L12/911 , H04L12/46 , H04L12/741
摘要： The present application provides a packet sending method and a network device. The packet sending method includes: receiving, by a network device, a first data packet; and if a MAC entry matching a destination MAC address of the first data packet is not found in a media access control MAC address table of the network device, sending, by the network device, the first data packet according to a forwarding behavior in a MAC default entry of the MAC address table. When the MAC entry matching the destination MAC address of the first data packet is not found, the network device does not need to flood the first data packet on all interfaces, but directly sends the first data packet according to the MAC default entry in the own MAC address table, thereby reducing a need for MAC address capacity in the network device, and not increasing unnecessary network traffic.
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公开(公告)号：US20180183711A1
公开(公告)日：2018-06-28
申请号：US15910865
申请日：2018-03-02
发明人： Xiaohu Xu
IPC分类号： H04L12/723 , H04L12/911 , H04L12/741 , H04L12/46 , H04L12/721 , H04L12/64 , H04L12/775
CPC分类号： H04L45/50 , H04L12/4633 , H04L12/6418 , H04L45/32 , H04L45/583 , H04L45/74 , H04L47/825
摘要： This application discloses a packet processing method and a Label Switching Router (LSR). The method includes receiving, by an Ingress LSR of a first Multiprotocol Label Switching (MPLS) tunnel, a first notification packet that is based on an IGP, where the first notification packet includes an Entropy Label Capability (ELC) flag indicating that the first Egress LSR has ELC. The method further includes, after learning from the first notification packet that the first Egress LSR has ELC, inserting a label into a first packet, to generate a second packet. The label forms an MPLS label stack, which includes, from bottom to top, a first EL, a first ELI, and a first TL. The method further includes sending the second packet to the first Egress LSR through the first MPLS tunnel.
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公开(公告)号：US09900242B2
公开(公告)日：2018-02-20
申请号：US14227575
申请日：2014-03-27
IPC分类号： G06F15/173 , H04L12/721 , H04L12/725 , H04L29/08 , H04L12/751 , H04L12/715 , H04L12/741
CPC分类号： H04L45/14 , H04L45/02 , H04L45/04 , H04L45/302 , H04L45/54 , H04L69/329
摘要： Embodiments of the present invention relate to the field of communications technologies, and disclose a performance-based routing method and device, which can implement exchange of a performance route by expanding a BGP protocol. A first PCR receives first performance routing information sent by a second PCR. The first performance routing information includes a first performance parameter attribute. It is determined whether a performance route corresponding to the first performance routing information exists in an adjacent routing information base-in Adj-RIB-in of the first PCR. The performance route is added to the Adj-RIB-in when the performance route does not exist in the Adj-RIB-in.
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公开(公告)号：US09325616B2
公开(公告)日：2016-04-26
申请号：US13772899
申请日：2013-02-21
IPC分类号： H04L12/741 , H04L12/46
CPC分类号： H04L45/745 , H04L12/4633 , H04L45/22
摘要： The present invention provides a packet sending method and a network device. The packet sending method includes: receiving, by a network device, a first data packet; and if a MAC entry matching a destination MAC address of the first data packet is not found in a media access control MAC address table of the network device, sending, by the network device, the first data packet according to a forwarding behavior in a MAC default entry of the MAC address table. When the MAC entry matching the destination MAC address of the first data packet is not found, the network device does not need to flood the first data packet on all interfaces, but directly sends the first data packet according to the MAC default entry in the own MAC address table, thereby reducing a need for MAC address capacity in the network device, and not increasing unnecessary network traffic.
摘要翻译： 本发明提供一种分组发送方法和网络设备。 分组发送方法包括：由网络设备接收第一数据分组; 并且如果在所述网络设备的媒体访问控制MAC地址表中没有找到与所述第一数据分组的目的地MAC地址相匹配的MAC表项，则由所述网络设备根据MAC中的转发行为发送所述第一数据分组 MAC地址表的默认条目。 当没有找到与第一个数据包的目的地MAC地址匹配的MAC表项时，网络设备不需要在所有接口上泛洪第一个数据包，而是根据自己的MAC默认条目直接发送第一个数据包 MAC地址表，从而减少对网络设备中MAC地址容量的需求，而不会增加不必要的网络流量。
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